High-impact polystyrene loops are smooth and flexible to facilitate uniform and smooth streaking without damaging the gel surface. Smooth and flexible. Sterile packed 10/bag. Disposable inoculating loops do not need flaming, eliminating the risk of infection due to aerosol formation of pathogenic substances as well as cross-contamination due to improper sterilization. Loops can be used under hoods without danger. Total length: 22.7 cm (8.9").